[memcached] Add dimension fields to stats datastream (#6926)

* Add dimension fields to stats datastream

* Updated PR link in changelog

* Added fix to resolve dashboard issues

packages/memcached/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "1.1.0"
+  changes:
+    - description: Add dimensions mapping for TSDB enablement.
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/6926
 - version: "1.0.0"
   changes:
     - description: Make Memcached GA

packages/memcached/data_stream/stats/fields/ecs.yml

@@ -2,7 +2,32 @@
   name: ecs.version
 - external: ecs
   name: service.address
+  dimension: true
 - external: ecs
   name: service.type
 - external: ecs
   name: tags
+- external: ecs
+  name: agent.id
+  dimension: true
+- external: ecs
+  name: cloud.account.id
+  dimension: true
+- external: ecs
+  name: cloud.region
+  dimension: true
+- external: ecs
+  name: cloud.availability_zone
+  dimension: true
+- external: ecs
+  name: cloud.instance.id
+  dimension: true
+- external: ecs
+  name: cloud.provider
+  dimension: true
+- external: ecs
+  name: container.id
+  dimension: true
+- external: ecs
+  name: host.name
+  dimension: true

packages/memcached/docs/README.md

@@ -11,6 +11,13 @@ The below metrics are fetched from memcached:
 | Field | Description | Type | Unit | Metric Type |
 |---|---|---|---|---|
 | @timestamp | Event timestamp. | date |  |  |
+| agent.id | Unique identifier of this agent (if one exists). Example: For Beats this would be beat.id. | keyword |  |  |
+| cloud.account.id | The cloud account or organization id used to identify different entities in a multi-tenant environment. Examples: AWS account id, Google Cloud ORG Id, or other unique identifier. | keyword |  |  |
+| cloud.availability_zone | Availability zone in which this host, resource, or service is located. | keyword |  |  |
+| cloud.instance.id | Instance ID of the host machine. | keyword |  |  |
+| cloud.provider | Name of the cloud provider. Example values are aws, azure, gcp, or digitalocean. | keyword |  |  |
+| cloud.region | Region in which this host, resource, or service is located. | keyword |  |  |
+| container.id | Unique container id. | keyword |  |  |
 | data_stream.dataset | Data stream dataset. | constant_keyword |  |  |
 | data_stream.namespace | Data stream namespace. | constant_keyword |  |  |
 | data_stream.type | Data stream type. | constant_keyword |  |  |
@@ -19,6 +26,7 @@ The below metrics are fetched from memcached:
 | event.kind | Event kind | constant_keyword |  |  |
 | event.module | Event module | constant_keyword |  |  |
 | event.type | Event type | constant_keyword |  |  |
+| host.name | Name of the host. It can contain what `hostname` returns on Unix systems, the fully qualified domain name, or a name specified by the user. The sender decides which value to use. | keyword |  |  |
 | memcached.stats.cmd.get | Number of "get" commands received since server startup not counting if they were successful or not. | long |  | counter |
 | memcached.stats.cmd.set | Number of "set" commands serviced since server startup. | long |  | counter |
 | memcached.stats.connections.current | Number of open connections to this Memcached server, should be the same value on all servers during normal operation. | long |  | counter |